Emi Minamitani, Takuma Shiga, Makoto Kashiwagi, and Ippei Obayashi, Topological descriptor of thermal conductivity in covalent amorphous solids, 14th International Symposium on Atomic Level Characterizations for New Materials and Devices '22 (ALC'22), 17-p-3-5, Bankoku Shiryokan, Okinawa, Japan (2022/10/17). [Invited]
Takuma Shiga, Lattice dynamics study on the impacts of surface phonons and small-size air-hole on heat conduction in a two-dimensional phononic structure, The 13th Asian Thermophysical Properties Conference (ATPC2022), OS5-1-03, Online (2022/9/26).
Michimasa Morita and Takuma Shiga, Surface phonon mode remarkably limits heat conduction in a silicon ultra-thin film, APS March Meeting 2020, R62.00008, Denver, Colorado (2020/3/5). [URL] ※コロナウイルス感染症拡大のため講演会中止
Tatsuki Ichikawa and Takuma Shiga, Numerical study on the transition from coherent to incoherent phonon transport in a superlattice, APS March Meeting 2020, R62.00009, Denver, Colorado (2020/3/5). ※コロナウイルス感染症拡大のため講演会中止
Xiaoxiang Yu, Ruiyang Li, Takuma Shiga, Lei Feng, Junichiro Shiomi, and Nuo Yang, Doping effects on thermal transport properties of PEDOT, 16th International Heat Transfer Conference, 6045-6051, Beijing, China (2018/8/15). [URL]
Yuxuan Liao, Takuma Shiga, Makoto Kashiwagi, and Junichiro Shiomi, Why Coherent Phonons Contributions to Thermal Conductivity of Phononic Crystals Cannot be Observed at Room Temperature, Phonons 2018 & PTES 2018 Joint Conference, Nanjing, China (2018/5/31). [URL]
Yuxuan Liao, Takuma Shiga, Makoto Kashiwagi, and Junichiro Shiomi, Mechanism of Coherence Heat Conduction in Phononic Crystal, APS March Meeting 2018, X29.00004, Los Angeles, California (2018/3/9). [URL]
Lei Feng, Takuma Shiga, Haoxue Han, Shenghong Ju, Yuriy A. Kosevich, and Junichiro Shiomi, Phonon-interference Resonance Effects of Nanoparticles Embedded in a Matrix, APS March Meeting 2018, X29.00012, Los Angeles, California (2018/3/9). [URL]
志賀拓麿,Recent development and trend of heat conduction analysis for nanostructured bulk and phononic crystals, 応用物理学会北海道支部講演会,北海道大学(2018/3/5).[URL]
Masato Ohnishi, Takashi Kodama, Takuma Shiga, and Junichiro Shiomi, Modulation of Thermoelectric Properties of Carbon Nanotubes using Defects and Strain, The 9th JSME-KSME Thermal and Fluids Engineering Conference (TFEC9), TFEC9-1602, Okinawa convention center (2017/10/30).
Takuma Shiga, Manipulation of thermal conductivity of material by nanostructure, interface, and local&non-local wave nature of phonon, Recent Progress in the Physics of Thermal Transport, Izmir Institute of Technology, Turkey (2017/7/20). [URL] [Invited]
Takuma Shiga, Yuxuan Liao, Makoto Kashiwagi, and Junichiro Shiomi, Contributions of coherent and incoherent phonons to heat conduction, 9th US-Japan Joint Seminar on Nanoscale Transport Phenomena, Tokyo, Japan (2017/7/4). [Invited]
Shenghong Ju, Takuma Shiga, Lei Feng, Zhufeng Hou, Koji Tsuda, and Junichiro Shiomi, Designing Nanostructures for Interfacial Phonon Transport via Bayesian Optimization, 2016 MRS Fall Meeting & Exhibit, Boston, Massachusetts (2016/11/29).
Masato Ohnishi, Takuma Shiga, and Junichiro Shiomi, Fluctuation of Thermoelectric Properties of Carbon Nanotubes, Thirteenth International Conference on Flow Dynamics (ICFD2016), OS10-4, Sendai International Center (2016/10/16). [URL]
Anuj Arora, Makoto Kashiwagi, Fumiki Mitsuhashi, Takuma Hori, Takuma Shiga, and Junichiro Shiomi, Thermal conductivity and rectification study of nanostructured graphene, The 11th Asian Thermophysical Properties Conference (ATPC), Pacifico Yokohama Annex Hall, Japan (2019/10/4).
Ju Shenghong,志賀拓麿,Feng Lei,Hou Zhufeng,津田宏治,塩見淳一郎,フォノン輸送制御を目的としたベイズ最適化による界面ナノ構造の設計,第77回応用物理学会秋季学術講演会,14p-B12-15,朱鷺メッセ(2016/9/14).[URL]
馮磊,志賀拓麿,Han Haoxue,Ju Shenghong,Kosevich A Yuriy,塩見淳一郎,母材に埋め込めれたナノ粒子のフォノン共鳴効果,第77回応用物理学会秋季学術講演会,14p-B12-16,朱鷺メッセ(2016/9/14).[URL]
Junichiro Shiomi and Takuma Shiga, Tuning phonon transport by nanostructures for thermoelectrics, The 17th International Conference on High Pressure in Semiconductor Physics (HPSP-17) & Workshop on High-pressure Study on Superconducting (WHS), Sanjo Conference Hall, Tokyo (2016/8/19).
Masato Ohnishi, Takuma Shiga, and Junichiro Shiomi, Effects of Defects and Strain on Thermoelectric Properties of Single-walled Carbon Nanotubes, APS March Meeting 2016, L35.00004, Baltimore, Maryland (2016/3/16). [URL]
Makoto Kashiwagi, Yuta Sudo, Takuma Hori, Takuma Shiga, and Junichiro Shiomi, Thermal Conductivity of Porous Media from Phonon Transport Viewpoint, The First Pacific Rim Thermal Engineering Conference (PRTEC), PRTEC-15130, Waikoloa Beach Marriott Resort & Spa Hawaii's Big Island, USA (2016/3/16). [URL]
Takuma Shiga, Heat conduction analysis from first principles, Magnetics and Optics Research International Symposium (MORIS2015), Toyohashi University of Technology – Universiti Sains Malaysia Technology Collaboration Centre in Penang, Malaysia (2015/12/2). [Invited]
Takuma Shiga and Junichiro Shiomi, Investigation on Phonon Coherence for Heat Conduction Control, Twelfth International Conference on Flow Dynamics (ICFD2015), OS10-1, Sendai International Center (2015/10/28). [URL] [Invited]
Anuj Arora, Fumiki Mitsuhashi, Takuma Hori, Takuma Shiga, and Junichiro Shiomi, Thermal conductivity and rectification study of restructured Graphene, The 15th International Conference on Phonon Scattering in Condensed Matter (Phonons 2015), Nottingham, United Kingdom, (2015/7/15). [URL]
Lei Feng, Takuma Shiga, and Junichiro Shiomi, Phonon transport in perovskite SrTiO3 from first-principles, The 34st International Conference on Thermoelectrics (ICT2015), International Congress Center Dresden, Dresden, Germany (2015/6/30). [URL]
Takuma Shiga, Takuru Murakami, and Junichiro Shiomi, Spectral analysis of interfacial phonon transport across dissimilar crystalline solids, The 5th International Symposium on Micro and Nano Technology (ISMNT-5), S2-112, University of Calgary, Calgary, Canada (2015/5/18).
Tsubasa Otsubo, Hideaki Otake, Takuma Shiga, Junichiro Shiomi, Masaru Itakura, and Haruhiko Udono, Effect of Bi and Sb Dopant on Lattice Thermal Conductivity in Melt Grown Mg2Si, 2015 MRS Spring Meeting & Exhibit, CC9.08, San Francisco (2015/4/18).
Takuma Shiga and Junichiro Shiomi, Effect of phonon-blocking at sintered interfaces, APS March Meeting 2015, D12.00004, San Antonio, Texas (2015/3/2). [URL]
Takuma Shiga, Takuru Murakami, Takuma Hori, Keivan Esfarjani, and Junichiro Shiomi, Thermal Conductivity Calculation of Magnesium Silicide Alloys by lattice Dynamics and Molecular Dynamics Methods, The 15th International Heat Transfer Conference (IHTC-15), IHTC15-9064/PPE-G-115, Kyoto International Conference Center (2014/8/11). [URL]
Takuma Shiga and Junichiro Shiomi, Anormalous lattice dynamics of lead telluride arising from strong anharmonicity, 8th US-Japan Joint Seminar on Nanoscale Transport Phenomena - Science and Engineering -, Chaminade Resort, Santa Cruz, CA, USA (2014/7/14). [Invited]
Junichiro Shiomi, Takuru Murakami, Takuma Hori, and Takuma Shiga, *Phonon transport calculations of crystals with strong anharmonicity, disorder, interfaces, and nano structures
8th US-Japan Joint Seminar on Nanoscale Transport Phenomena - Science and Engineering -, Chaminade Resort, Santa Cruz, CA, USA (2014/7/14).
Takuma Shiga, Takuru Murakami, and Junichiro Shiomi, Heat Conduction of Alloyed Thermoelectric Materials and Its Structure Dependence, The 4th International Symposium Micro and Nano Technology (ISMNT-4), ID-120, Shanghai Second Polytechnic University, Shanghai, China (2013/10/11).
Takuma Shiga, Takuru Murakami, Takuma Hori, Jie Ma, Olivier Delaire, Keivan Esfarjani, Gang Chen, and Junichiro Shiomi, Microscopic mechanism of low thermal conductivity in lead terullide, The 31st International & 10th European Conference on Thermoelectrics, A4_10, Aalborg, Denmark (2012/7/10).
Takuru Murakami, Takuma Shiga, Takuma Hori, Zhiting Tian, Keivan Esfarjani, Gang Chen, and Junichiro Shiomi, Molecular dynamics study on lattice thermal conductivity of PbTe1-xSex alloys, The 31st International & 10th European Conference on Thermoelectrics, A4_9*, Aalborg, Denmark (2012/7/10).
Takuma Shiga, Takuma Hori, Takuru Murakami, Shigeo Maruyama, and Junichiro Shiomi, Investigation of phonon mass-difference scattering model by molecular dynamics, APS March Meeting 2012, ** P17.00004**, Boston, Massachusetts (2012/3/29). [URL]
Zhiting Tian, Jivtesh Garg, Keivan Esfarjani, Takuma Shiga, Junichiro Shiomi, and Gang Chen, Phonon Conduction in Lead Selenide from First Principles, 2011 MRS Fall Meeting & Exhibit, Boston, Massachusetts (2011/11/29).
志賀拓麿,西村史生,高橋徹,Edurado R. Hernandez,渡辺一之,温度勾配をもつカーボンナノチューブにおける質量輸送,日本物理学会第64回年次大会,29pYH-7,立教大学(2009/3/27).[URL]
Poster
Shohei Chiashi, Hiroki Date, Takenori Fujii, Taiki Inoue, Esko I. Kauppinen, Keigo Otsuka, Shigeo Maruyama, Takuma Shiga, and Takashi Kodama, One-dimensional electrical transport in single-walled carbon nanotube two-dimensional thin films, The 22nd International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials, P2-I-17, Sungkyunkwan University in Suwon, Republic of Korea (2022/6/20).
Yukihiko Terada, Takuma Shiga, Study on effects of twist on phonon transport in graphene nanoribbons, 第58回フラーレンナノチューブ・グラフェン総合シンポジウム,3P-11,東京大学 伊藤国際学術研究センター 伊藤謝恩ホール(2020/3/17).[URL] ※コロナウイルス感染症拡大のためシンポジウム中止
久間馨,志賀拓麿,岡田晋,千足昇平,丸山茂夫,Thermal transport study of molybdenum disulfide nanotubes by molecular dynamics simulations,第57回 フラーレン・ナノチューブ・グラフェン 総合シンポジウム,3P-11,名古屋大学 理学南館 坂田・平田ホール(2019/9/5).[URL]
Takuma Shiga, Daisuke Aketo, Lei Feng, and Junichiro Shiomi, Empirical model of heat conduction for a screening of high-performance thermoelectric materials, The 34st International Conference on Thermoelectrics (ICT2015), International Congress Center Dresden, Dresden, Germany (2015/6/30). [URL]
Takuma Hori, Takuma Shiga, Junichiro Shiomi, Probing phonon transport properties of silicon germanium alloy crystals by molecular dynamics, The 31st International & 10th European Conference on Thermoelectrics, Aalborg, Denmark (2012/7/12).
Takuma Hori, Takuma Shiga, Shigeo Maruyama, Junichiro Shiomi, Modal analysis of mass-difference phonon scattering in alloyed crystals based on molecular dynamics simulations, 7th US-Japan Joint Seminar on Nanoscale Transport Phenomena, Ise (2011/12/12).
Takuma Shiga, Takuma Hori, Shigeo Maruyama, Junichiro Shiomi, Molecular dynamics analysis of phonon isotope scattering: Validity and limit of mass perturbation approach, 7th US-Japan Joint Seminar on Nanoscale Transport Phenomena, Ise (2011/12/12).
Takuma Shiga, Takuma Hori, Shigeo Maruyama, and Junichiro Shiomi, Molecular dynamics simulation of phonon conduction in alloy crystals, 2011 MRS Spring Meeting & Exhibit, BB9.6, San Francisco (2011/4/28).
志賀拓麿,高橋徹,Riccardo Rurali,Eduardo R. Hernandez,渡辺一之,Molecular-Dynamics Simulations of Phonon Assisted Mass Transport in Carbon Nanotubes,第36回フラーレン・ナノチューブ総合シンポジウム,1P-12,名城大学 共通講義棟北館(2009/3/2).[URL]